APCO Research Group. (1983). Collected papers on the control of soil-transmitted helminthiasis. The Asian Parasite Control Organization.
Chicago-viite (17. p.)APCO Research Group. Collected Papers on the Control of Soil-transmitted Helminthiasis. Muneo Yokogawa: The Asian Parasite Control Organization, 1983.
MLA-viite (9. p.)APCO Research Group. Collected Papers on the Control of Soil-transmitted Helminthiasis. The Asian Parasite Control Organization, 1983.
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